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WO2015170805A1 - Rotor à fonction de filtration de flux et moteur synchrone comprenant celui-ci - Google Patents

Rotor à fonction de filtration de flux et moteur synchrone comprenant celui-ci Download PDF

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Publication number
WO2015170805A1
WO2015170805A1 PCT/KR2014/008865 KR2014008865W WO2015170805A1 WO 2015170805 A1 WO2015170805 A1 WO 2015170805A1 KR 2014008865 W KR2014008865 W KR 2014008865W WO 2015170805 A1 WO2015170805 A1 WO 2015170805A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
insertion holes
conductor bar
permanent magnet
conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2014/008865
Other languages
English (en)
Korean (ko)
Inventor
이정종
김영균
유세현
서정무
정인성
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Korea Electronics Technology Institute
Original Assignee
Korea Electronics Technology Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Korea Electronics Technology Institute filed Critical Korea Electronics Technology Institute
Priority to US15/309,767 priority Critical patent/US10483813B2/en
Publication of WO2015170805A1 publication Critical patent/WO2015170805A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/223—Rotor cores with windings and permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/26—Asynchronous induction motors having rotors or stators designed to permit synchronous operation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/46—Motors having additional short-circuited winding for starting as an asynchronous motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H02K3/20—Windings for salient poles for auxiliary purposes, e.g. damping or commutating

Definitions

  • the present invention relates to a synchronous motor, and more particularly, to a rotor having a flux filtering function capable of suppressing demagnetization of a permanent magnet installed in the rotor and thereby reducing the efficiency of the motor, and a synchronous type including the same. It's about a motor.
  • a motor In general, a motor (or motor) is a device that generates rotational force by converting electrical energy into mechanical energy, and is widely used in homes and industries. Such motors can be broadly classified into an AC motor and a DC motor.
  • the DC motor is driven by a DC power source and changes the input voltage to obtain a desired output.
  • the DC motor is relatively easy to control speed and is used for driving a train or an elevator.
  • DC motors can be classified into brush DC motors and brushless DC motors.
  • the brushless DC motor has a feature that there is no mechanical contact between the brush and the commutator, compared to the brush DC motor, thereby achieving high performance, light weight, short life, and long life of the device.
  • the brushless DC motor has a structure in which a coil is wound around the stator and a permanent magnet is embedded in the rotor. Such brushless DC motors are widely used in various devices according to the development of semiconductor technology and components and materials.
  • AC motors are driven by AC power and are one of the most widely used motors around life.
  • AC motor basically consists of external stator and internal rotor. When AC current is supplied to stator winding, electric field is converted by electromagnetic induction and guided by electric field rotating in rotor. It is a motor that generates current and generates rotational force on the rotating shaft of the rotor by the torque.
  • AC motors are largely divided into single phase and three phase, and may be further classified into induction motors, synchronous motors, and commutator motors depending on the type of rotor.
  • Synchronous motors such as LSPM (Line Start Permanent Magnet) motors (also called 'single-phase induction synchronous motors'), are an AC motor that applies only the advantages of single-phase induction motors and synchronous motors.
  • LSPM Line Start Permanent Magnet
  • Such a synchronous motor starts rotation of the rotor by the torque generated by the interaction of the secondary current generated by the voltage induced in the conductor bar of the rotor and the magnetic flux generated by the winding of the stator.
  • the magnetic flux of the permanent magnet installed in the rotor and the magnetic flux generated from the stator are synchronized with each other to operate at the speed of the stator's rotor field. That is, when a current is applied to the coil of the stator, the rotor rotates by the interaction between the rotating magnetic flux generated by the stator structure and the induced current generated in the conductor bar of the rotor.
  • a torque generated by the permanent magnet and a reluctance torque due to the structure of the rotor are generated to rotate the rotor.
  • the rotor of the LSPM motor has a cylindrical rotor iron core, a plurality of conductor bars are inserted around the edge of the rotor iron core, and a plurality of permanent magnets are inserted inside the conductor bars.
  • LSPM motors having such a structure can operate with high efficiency due to the application of high-performance permanent magnets, but have a problem in that permanent magnet potatoes are generated due to the initial starting current applied during initial startup. That is, the permanent magnet potato is generated by the asynchronous magnetic flux (AC component) generated in the coil during the initial startup of the LSPM motor.
  • AC component asynchronous magnetic flux
  • an object of the present invention is to provide a rotor having a flux filtering function capable of suppressing the demagnetization of permanent magnets installed in the rotor and thereby reducing the efficiency of the motor, and a synchronous motor including the same.
  • the present invention is a rotor of a synchronous motor which is inserted into the rotor insertion hole of the stator to be rotatably installed, the synchronous motor including a rotor core, a plurality of permanent magnets and a plurality of conductor bars.
  • the rotor core has a rotation shaft insertion hole in which a rotation shaft is inserted in a central portion thereof, and a plurality of permanent magnet insertion holes are formed around the rotation shaft insertion hole, and between the plurality of permanent magnet insertion holes and the outer surface.
  • a plurality of conductor bar insertion holes are formed uniformly in the region of.
  • the plurality of permanent magnets are respectively inserted into the plurality of permanent magnet insertion holes to form rotor poles of the N pole and the S pole.
  • the plurality of conductor bars are respectively inserted into and inserted into the plurality of conductor bar insertion holes.
  • the plurality of conductor bar insertion holes includes a plurality of first conductor bar insertion holes formed around an edge of the rotor iron core, the plurality of permanent magnet insertion holes and the plurality of conductor bars. And a plurality of second conductor bar insertion holes uniformly formed in an area between the first conductor bar insertion holes of the second conductor bar insertion hole.
  • the plurality of conductor bars may include a plurality of first conductor bars respectively inserted into and installed in the plurality of first conductor bar insertion holes, and a plurality of second conductor bars respectively inserted and installed into the plurality of second conductor bar insertion holes.
  • the plurality of second conductor bar insertion holes may be arranged in plural on the circumferences of different radii around the rotation shaft insertion hole.
  • the plurality of second conductor bar insertion holes arranged on a circumference adjacent to the plurality of first conductor bar insertion holes are respectively disposed between the adjacent first conductor bar insertion holes. It can be formed to be located.
  • the second conductor bar insertion holes located on neighboring circumferences may be formed at different angles with respect to the rotation shaft insertion hole to be offset from each other.
  • the present invention also provides a rotor of a synchronous motor, which is inserted into a rotor insertion hole of a stator and rotatably installed, comprising a rotor core, a plurality of permanent magnets, and a plurality of conductor bars.
  • the rotor core has a rotation shaft insertion hole in which a rotation shaft is inserted in a central portion thereof, and a plurality of permanent magnet insertion holes are formed around the rotation shaft insertion hole, and between the plurality of permanent magnet insertion holes and the outer surface.
  • a plurality of conductor bar insertion holes are formed uniformly on circumferences of different radii around the rotation shaft insertion hole in the region of.
  • the plurality of permanent magnets are respectively inserted into the plurality of permanent magnet insertion holes to form rotor poles of the N pole and the S pole.
  • the plurality of conductor bars are respectively inserted into and inserted into the plurality of conductor bar insertion holes.
  • the plurality of conductor bar insertion holes are adjacent to the outer surface of the rotor core and a plurality of first conductor bars uniformly formed on the first circumference having the largest radius. And an insertion hole and a plurality of second conductor bar insertion holes uniformly formed on at least one second circumference having a radius smaller than the first circumference.
  • the plurality of conductor bars may include a plurality of first conductor bars respectively inserted into and installed in the plurality of first conductor bar insertion holes, and a plurality of second conductor bars respectively inserted and installed into the plurality of second conductor bar insertion holes.
  • the present invention provides a synchronous motor including the above-described rotor and a rotor insertion hole in which the rotor is inserted and installed in a center portion thereof, and a stator with a coil wound around an inner circumferential surface of the rotor insertion hole. .
  • a plurality of conductor bars installed in multiple layers between the rotor's permanent magnet and the coil passes the flux component of the DC component generated in the permanent magnet, and the asynchronous flux component that is not synchronized with the rotor generated in the coil is By filtering, the potato phenomenon of the permanent magnet by asynchronous magnetic flux component can be suppressed.
  • a large number of conductor bars can filter out asynchronous magnetic flux components generated during initial start-up or disengagement of a synchronous motor, thereby suppressing the detection of permanent magnets.
  • FIG. 1 is a plan view showing a rotor of a synchronous motor having a flux filtering function according to an embodiment of the present invention.
  • FIG. 2 is a plan view illustrating a synchronous motor including the rotor of FIG. 1.
  • FIG. 1 is a plan view showing a rotor of a synchronous motor having a flux filtering function according to an embodiment of the present invention.
  • FIG. 2 is a plan view illustrating a synchronous motor including the rotor of FIG. 1.
  • the synchronous motor 100 includes a rotor 20 and a stator 10 to which the rotor 20 is rotatably inserted.
  • a rotor insertion hole 18 is formed in a central portion thereof, and a coil 16 is wound around an inner circumferential surface of the rotor insertion hole 18.
  • the rotor 20 is inserted into the rotor insertion hole 18 of the stator 10 and is rotatably installed.
  • the stator 10 includes a stator iron core 11 having a rotor insertion hole 18 and a coil 16 wound along an inner circumferential surface of the rotor insertion hole 18 of the stator iron core 11.
  • the inner diameter of the rotor insertion hole 18 is formed larger than the outer diameter of the rotor 20, the difference between the inner diameter of the rotor insertion hole 18 and the outer diameter of the rotor 20 forms a void.
  • the stator core 11 may be formed by stacking a plurality of stator iron plates 12 having the same shape in the axial direction.
  • the stator iron core 11 has a rotor insertion hole 18 in which a rotor 20 can be inserted and positioned.
  • the stator iron core 11 is formed with a plurality of teeth 14 at regular intervals along the inner circumferential surface.
  • the plurality of teeth 14 protrude from the inner circumferential surface of the stator iron core 11 toward the central axis of the stator iron core 11 and are disposed close to the outer circumferential surface of the rotor 20 inserted and installed in the rotor insertion hole 18. do.
  • a silicon iron plate may be used as the stator plate 12.
  • the inside of the virtual surface formed by the end of the tooth 14 inside the stator iron core 11 forms the rotor insertion hole 18.
  • the coil 16 is wound around the plurality of teeth 14, and when AC power is applied, the coil 16 generates a rotating magnetic flux due to the structure of the stator 10.
  • the rotating shaft 30 is rotatably installed in the casing (shell) or shell (shell) forming the case of the synchronous motor 100 via a bearing.
  • the rotor 20 is a rotor of the synchronous motor 100 which is inserted into the rotor insertion hole 18 of the stator 10 so as to be rotatable, and includes a rotor iron core 21 and a rotor iron core 21. A plurality of permanent magnets 22, and a plurality of conductor bars 23 embedded in the).
  • the rotor core 21 has a rotating shaft insertion hole 25 in which the rotating shaft 30 is inserted in the center portion, and a plurality of permanent magnet insertion holes 26 are formed around the rotating shaft insertion hole 25.
  • a plurality of conductor bar insertion holes 27 are formed outside the plurality of permanent magnet insertion holes 25.
  • the plurality of permanent magnets 22 are respectively inserted into the plurality of permanent magnet insertion holes 26 to form the N pole and the S pole.
  • the plurality of conductor bars 23 are inserted into and installed in the plurality of conductor bar insertion holes 27, respectively. In this case, the plurality of conductor bars 23 are evenly inserted into the inner region of the rotor iron core 21 including the edge circumference of the rotor iron core 21.
  • the reason for forming the conductor bar 23 as described above is to filter the asynchronous magnetic flux generated by the coil 16 generated at the initial start-up or out of step of the synchronous motor 100 to remove the potato phenomenon of the permanent magnet 22. To suppress it.
  • a rotor 20 having a function of filtering flux corresponding to an asynchronous magnetic flux component is provided.
  • the magnetic flux component of the DC component generated in the permanent magnet 22 by the plurality of conductor bars 23 installed in multiple layers between the permanent magnet 22 of the rotor 20 and the coil 16 of the stator 10
  • the potato phenomenon of the permanent magnet 22 due to the asynchronous magnetic flux component can be suppressed.
  • the plurality of conductor bars 23 filters the asynchronous magnetic flux components generated by the coil 16 during initial startup or decoupling of the synchronous motor 100, thereby suppressing the sensing phenomenon of the permanent magnets 22.
  • the rotor 20 according to the present embodiment will be described in detail as follows.
  • the rotor 20 includes a rotor iron core 21, a plurality of permanent magnets 22, and a plurality of conductor bars 23.
  • the rotor core 21 is formed by laminating a plurality of rotor iron plates 24 having the same shape in the axial direction.
  • the rotor core 21 has a rotation shaft insertion hole 25 in which the rotation shaft 30 is inserted in the center portion.
  • the rotor core 21 has a plurality of permanent magnet insertion holes 26 formed outside the rotation shaft insertion hole 25.
  • the rotor iron core 21 has a plurality of conductor bar insertion holes 27 formed outside the plurality of permanent magnet insertion holes 26.
  • a silicon steel sheet may be used as the rotor iron plate 24.
  • the rotation shaft insertion hole 25 and the permanent magnet insertion hole 26 may be formed in a direction perpendicular to the upper surface of the rotor iron core 21.
  • the eight permanent magnet insertion holes 26 in which the permanent magnets 22 having a square cross section with respect to the axial direction of the rotary shaft insertion holes 25 are provided on the outer side of the rotary shaft insertion holes 25.
  • the eight permanent magnet insertion holes 26 may be formed in four places around the rotation shaft insertion hole 25 in a V shape in pairs of two.
  • the angle between the rotation shaft insertion holes 25 arranged in the V shape may be an obtuse angle, and the angle between the rotation shaft insertion holes 25 arranged in the adjacent V shape may be an acute angle.
  • the plurality of permanent magnets 22 are inserted into the plurality of permanent magnet insertion holes 26 of the rotor iron core 21, respectively, to intertwine the rotor poles of the N pole and the S pole. At this time, the plurality of permanent magnets 22 generate torque by interaction with the magnetic flux generated in the coil 16.
  • a rare earth magnet may be used as the permanent magnet 22 .
  • the plurality of conductor bar insertion holes 27 are formed uniformly in the region between the plurality of permanent magnet insertion holes 26 and the outer surface of the rotor iron core 21.
  • the plurality of conductor bars 23 are inserted into and installed in the plurality of conductor bar insertion holes 27, respectively.
  • the plurality of conductor bars 23 may be installed in the conductor bar insertion hole 27 by a die casting method.
  • the conductor bar 23 may generally use an aluminum (Al) material having excellent electrical conductivity and capable of die casting.
  • the conductor bar 23 formed by die casting is formed in a shape corresponding to the shape of the conductor bar insertion hole 27.
  • the plurality of conductor bar insertion holes 27 may be formed in the direction in which the permanent magnet insertion hole 26 is formed, that is, through the rotor iron core 21.
  • the plurality of conductor bar insertion holes 27 have a circular or elliptical shape and are disposed in the rotor core 21.
  • the conductor bar insertion hole 27 may be formed in a circle or a slot toward the permanent magnet 22.
  • the plurality of conductor bar inserting holes 27 includes a plurality of first conductor bar inserting holes 27a and a plurality of second conductor bar inserting holes 27b.
  • a plurality of first conductor bar insertion holes 27a are formed around the edge of the rotor core 21.
  • the plurality of second conductor bar insertion holes 27b are formed uniformly in the region between the plurality of permanent magnet insertion holes 26 and the plurality of first conductor bar insertion holes 27a.
  • the plurality of conductor bars 23 include a plurality of first conductor bars 23a and a plurality of second conductor bars 23b.
  • the plurality of first conductor bars 23a are respectively inserted into and installed in the plurality of first conductor bar insertion holes 27a.
  • the plurality of second conductor bars 23b are inserted into and installed in the plurality of second conductor bar insertion holes 27b, respectively.
  • the plurality of first conductor bar insertion holes 27a may be formed to have a predetermined distance from each other, or may be formed to have a different distance from each other.
  • a plurality of second conductor bar insertion holes 27b may be arranged on a circumference of a different radius with respect to the rotation shaft insertion hole 25, respectively.
  • the plurality of second conductor bar insertion holes 27b arranged on the circumference adjacent to the plurality of first conductor bar insertion holes 27a are formed to be located between the adjacent first conductor bar insertion holes 27a, respectively.
  • the second conductor bar insertion holes 27b positioned on the circumferences adjacent to each other may be formed at different angles with respect to the rotation shaft insertion hole 25 to be offset from each other.
  • a second conductor bar 23 is formed in each of the plurality of second conductor bar insertion holes 27b.
  • the plurality of conductor bars 23 are located in an area between the V-shaped permanent magnet 22 and the outer surface of the rotor iron core 21. Is formed.
  • the permanent magnet 22 is arranged in a V-shape, the bone portion is installed toward the rotation axis 30, the second conductor bar 23b is formed inside the region of the bone portion.
  • the reason why the plurality of second conductor bar insertion holes 27b are formed in the rotor core 21 is to filter out the asynchronous magnetic flux component causing the permanent magnet 22 to demagnetize. That is, the asynchronous magnetic flux component is primarily filtered by the plurality of first conductor bars 23a, but a part of the asynchronous magnetic flux components enters the permanent magnet 22 through the region between the plurality of first conductor bars 23a. This asynchronous magnetic flux component is filtered by a plurality of second conductor bars 23b positioned between the first conductor bar insertion holes 27a. By forming the plurality of second conductor bars 23b in a zigzag shift from each other, it is possible to minimize the influence of the asynchronous magnetic flux component on the permanent magnet 22.
  • the plurality of conductor bar insertion holes 27 are different from each other around the rotation shaft insertion hole 25 in the area between the plurality of permanent magnet insertion holes 26 and the outer surface of the rotor iron core 21.
  • An example has been disclosed that is formed uniformly on the circumference of the radius. That is, the plurality of first conductor bar insertion holes 27a are close to the outer surface of the rotor iron core 21 and are uniformly formed on the first circumference having the largest radius.
  • the plurality of second conductor bar insertion holes 27b are formed uniformly on at least one second circumference having a radius smaller than the first circumference.
  • the conductor bar insertion hole 27 located on the top is disposed not to be located on the virtual line.
  • a plurality of conductor bar insertion holes 27 are formed uniformly on circumferences of different radii around the rotation shaft insertion holes 25 in the area between the plurality of permanent magnet insertion holes 26 and the outer surface. Is disclosed, but is not limited thereto.
  • the plurality of second conductor bar insertion holes 27 may be randomly formed between the plurality of permanent magnet insertion holes 26 and the plurality of first conductor bar insertion holes 27a.
  • the synchronous motor 100 includes a plurality of first conductor bars 23a and a plurality of second conductor bars 23b. Since the rotation magnetic field moves at the same speed as the rotor 20 rotates, the magnetic flux of the DC component generated in the permanent magnet 22 passes through the conductor bar 23 as it is. However, the asynchronous magnetic flux component generated during the initial start-up or out of step of the synchronous motor 100 is filtered by the plurality of conductor bars 23.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

La présente invention concerne un rotor ayant une fonction de filtration de flux et un moteur synchrone comprenant celui-ci, susceptibles de prévenir la démagnétisation d'un aimant permanent installé sur le rotor, ce qui permet d'empêcher la baisse d'efficacité du moteur. La présente invention concerne un moteur synchrone comprenant : un rotor ; et un stator présentant un orifice d'insertion de rotor, formé en son centre, dans lequel est introduit le rotor, et possédant une bobine enroulée autour de la surface circonférentielle interne de l'orifice d'insertion du rotor, le rotor comprenant un noyau de rotor en fer, une pluralité d'aimants permanents et une pluralité de barres conductrices. Le noyau de rotor en fer possède un orifice d'insertion d'arbre rotatif, formé en son centre, dans lequel est introduit un arbre rotatif, une pluralité d'orifices d'insertion d'aimants permanents étant formés dans la circonférence de l'orifice d'insertion de l'arbre rotatif, et une pluralité d'orifices d'insertion de barres conductrices étant formés de manière uniforme dans une région entre la pluralité d'orifices d'insertion d'aimants permanents et leurs surfaces externes. La pluralité d'aimants permanents sont respectivement introduits dans la pluralité d'orifices d'insertion d'aimants permanents, formant ainsi les pôles magnétiques N et S du rotor. De plus, la pluralité de barres conductrices sont respectivement introduites dans la pluralité d'orifices d'insertion de barres conductrices.
PCT/KR2014/008865 2014-05-08 2014-09-24 Rotor à fonction de filtration de flux et moteur synchrone comprenant celui-ci Ceased WO2015170805A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/309,767 US10483813B2 (en) 2014-05-08 2014-09-24 Rotor having flux filtering function and synchronous motor comprising same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140054981A KR101636330B1 (ko) 2014-05-08 2014-05-08 플럭스 필터링 기능을 갖는 회전자 및 그를 포함하는 동기형 모터
KR10-2014-0054981 2014-05-08

Publications (1)

Publication Number Publication Date
WO2015170805A1 true WO2015170805A1 (fr) 2015-11-12

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PCT/KR2014/008865 Ceased WO2015170805A1 (fr) 2014-05-08 2014-09-24 Rotor à fonction de filtration de flux et moteur synchrone comprenant celui-ci

Country Status (3)

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US (1) US10483813B2 (fr)
KR (1) KR101636330B1 (fr)
WO (1) WO2015170805A1 (fr)

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WO2018163016A1 (fr) * 2017-03-07 2018-09-13 Mohammad Reza Ejtehadi Simulateur de cellules virtuelles
KR102120361B1 (ko) * 2018-12-06 2020-06-08 전자부품연구원 길이가 다른 도체바를 구비하는 회전자 및 그를 포함하는 동기형 모터
KR102843019B1 (ko) * 2020-11-20 2025-08-05 현대자동차주식회사 도체바 삽입을 통한 회전자 코어의 냉각 구조
US11742734B2 (en) * 2021-07-19 2023-08-29 Abb Schweiz Ag Permanent magnet machine and rotor therefor
US12126219B2 (en) * 2021-07-21 2024-10-22 Abb Schweiz Ag Permanent magnet rotor with conductive flux barrier

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KR101092321B1 (ko) * 2005-12-21 2011-12-09 주식회사 동서전자 Ｌｓｐｍ 동기모터의 로터
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KR20070100995A (ko) 2006-04-10 2007-10-16 김병국 라인 스타트 영구자석 동기전동기의 회전자

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006121896A (ja) * 2004-10-23 2006-05-11 Lg Electronics Inc 単相誘導電動機
KR20090007050A (ko) * 2007-07-13 2009-01-16 (주)모터넷 인터내셔날 단상 유도 기동형 동기전동기의 회전자 구조
KR20100069792A (ko) * 2008-12-17 2010-06-25 삼성전자주식회사 동기모터의 회전자
KR101123676B1 (ko) * 2010-11-30 2012-03-20 전자부품연구원 자속 안내구멍이 형성된 회전자를 갖는 동기형 모터
KR20120129162A (ko) * 2011-05-19 2012-11-28 전자부품연구원 길이가 다른 도체바를 갖는 회전자 및 그를 포함하는 ｌｓｐｍ 모터

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KR20150129167A (ko) 2015-11-19
US10483813B2 (en) 2019-11-19
US20170271930A1 (en) 2017-09-21
KR101636330B1 (ko) 2016-07-06

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